Antiparticle of electron is
|
(a) |
(b) |
(c) Positron |
(d) Neutrino |
Antiparticle of electron is
|
(a) |
(b) |
(c) Positron |
(d) Neutrino |
(c) Positron
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$\vec{\text{v}},\ \vec{\text{v}}_1$ and $\vec{\text{v}}_2$ must be parallel to each other.
$\vec{\text{v}}_1+\vec{\text{v}}_2$ must be parallel to $\vec{\text{v}}.$
$\text{m}_1\vec{\text{v}}_1+\text{m}_2\vec{\text{v}}_2$ must be parallel to $\vec{\text{v}}.$
Ohm's law is true
|
(a) For metallic conductors at low temperature |
|
(b) For metallic conductors at high temperature |
|
(c) For electrolytes when current passes through them |
|
(d) For diode when current flows |
In Young's double slit experiment when wavelength used is 6000 Å and the screen is 40 cm from the slits, the fringes are 0.012 cm wide. What is the distance between the slits
|
(a) 0.024 cm |
(b) 2.4 cm |
(c) 0.24 cm |
(d) 0.2 cm |
In a compound microscope magnification will be large, if the focal length of the eye piece is
|
(a) Large |
(b) Smaller |
|
(c) Equal to that of objective |
(d) Less than that of objective |
The bottom of a container filled with liquid appear slightly raised because of
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(a) Refraction |
(b) Interference |
(c) Diffraction |
(d) Reflection |
Complete the reaction ![]()
|
(a) |
(b) |
(c) |
(d) |
Which represents NAND gate
|
(a) |
(b) |
(c) |
(d) |
Two point charges (+Q) and (-2Q) are fixed on the X-axis at positions a and 2a from origin respectively. At what positions on the axis, the resultant electric field is zero
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(a) Only x = |
(b) Only x = - |
(c) Both x = ± |
(d) x = |